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CVE-2026-23687

HIGHCVSS 8.8/10EPSS 0.46%

Last modified

CVE-2026-23687 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. SAP NetWeaver Application Server ABAP and ABAP Platform allows an authenticated attacker with normal privileges to obtain a valid signed message and send modified signed XML documents to the verifier. This may result in acceptance of tampered identity information, unauthorized access to sensitive user data and potential disruption of normal system usage.. EPSS estimates a 0.46% chance of exploitation in the next 30 days.

Description

SAP NetWeaver Application Server ABAP and ABAP Platform allows an authenticated attacker with normal privileges to obtain a valid signed message and send modified signed XML documents to the verifier. This may result in acceptance of tampered identity information, unauthorized access to sensitive user data and potential disruption of normal system usage.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.46%

36.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
SapSap Basis700
SapSap Basis701
SapSap Basis702
SapSap Basis731
SapSap Basis740
SapSap Basis750
SapSap Basis751
SapSap Basis752
SapSap Basis753
SapSap Basis754
SapSap Basis755
SapSap Basis756
SapSap Basis757
SapSap Basis758
SapSap Basis804
SapSap Basis916
SapSap Basis917
SapSap Basis918

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2026-23687?
SAP NetWeaver Application Server ABAP and ABAP Platform allows an authenticated attacker with normal privileges to obtain a valid signed message and send modified signed XML documents to the verifier. This may result in acceptance of tampered identity information, unauthorized access to sensitive user data and potential disruption of normal system usage.
How severe is CVE-2026-23687?
CVE-2026-23687 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.
How do I fix CVE-2026-23687?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-23687?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST